Home / 111,876.33-153,999.40-97,511.19

Finding the Fourth Proportional to 111,876.33, 153,999.40 and 97,511.19

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Solution

The fourth proportional to 111,876.33, 153,999.40 and 97,511.19 is: 134,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,876.33 : 153,999.40 = 97,511.19 : x
  2. Step 2: Convert to fraction form
    111,876.33/153,999.40 = 97,511.19/x
  3. Step 3: Cross multiply
    111,876.33x = 153,999.40 × 97,511.19
  4. Step 4: Simplify right side
    111,876.33x = 15,016,665,087.01
  5. Step 5: Solve for x
    x = 15,016,665,087.01/111,876.33
  6. Step 6: Final answer
    x = 134,225.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.